Base | Representation |
---|---|
bin | 1101000000101… |
… | …1010011111111 |
3 | 10210200120002211 |
4 | 3100023103333 |
5 | 102432303122 |
6 | 5225401251 |
7 | 1231566610 |
oct | 320132377 |
9 | 123616084 |
10 | 54572287 |
11 | 28893a70 |
12 | 16339227 |
13 | b3c95c3 |
14 | 7367c07 |
15 | 4bce877 |
hex | 340b4ff |
54572287 has 16 divisors (see below), whose sum is σ = 70387200. Its totient is φ = 41055840.
The previous prime is 54572279. The next prime is 54572291. The reversal of 54572287 is 78227545.
It is a happy number.
It is not a de Polignac number, because 54572287 - 23 = 54572279 is a prime.
It is a super-3 number, since 3×545722873 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54572257) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9987 + ... + 14452.
It is an arithmetic number, because the mean of its divisors is an integer number (4399200).
Almost surely, 254572287 is an apocalyptic number.
54572287 is a deficient number, since it is larger than the sum of its proper divisors (15814913).
54572287 is a wasteful number, since it uses less digits than its factorization.
54572287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24486.
The product of its digits is 156800, while the sum is 40.
The square root of 54572287 is about 7387.3058011700. The cubic root of 54572287 is about 379.3068782473.
It can be divided in two parts, 5457 and 2287, that added together give a square (7744 = 882).
The spelling of 54572287 in words is "fifty-four million, five hundred seventy-two thousand, two hundred eighty-seven".
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